Frequencies for first 10,000 rows of prev_sus variable in vehicle dataset :

   Previous |
   Recorded |
Suspensions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,261       82.61       82.61
          1 |        797        7.97       90.58
          2 |        182        1.82       92.40
          3 |         64        0.64       93.04
          4 |         25        0.25       93.29
          5 |         14        0.14       93.43
          6 |          5        0.05       93.48
          7 |          8        0.08       93.56
          8 |          2        0.02       93.58
          9 |          2        0.02       93.60
         10 |          2        0.02       93.62
         99 |        638        6.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016